1 square foot = 144 square inches
9 inches = 9/12 foot = 0.75
0.75 x 2,750 = 2,062.5 square feet = 297,000square inches
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The roll has 12.5 square feet of material.
Multiply the two dimensions to get the area. The calculation will give you 720 square inches.
24 inches*50yards = 24 inches * 50*3*12 inches = 24 inches * 1800 inches = 43 200 square inches.
270 square feet.
A roll 2 foot by 30 foot contains 60 square feet. There are 144 square inches in a square foot. So the roll contains 8630 square inches = and you get all of these for 30 units of currency. I will assume that the unit of currency contains 100 smaller units. so the price is 3000 small units. This means that the cost per sq inch = 3000/8630 = 0.347 small units = just slightly more than one-third of the small unit.